<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>SyntaxError</title>
    <style>
        * {
            font-size: 28px;
        }
    </style>
</head>

<body>

    <button type="button" id="btnEx">可以捕获的</button>

    <script>
        btnEx.onclick = function () {
            try {
                new Function(`var  hhhh bbbb`);
            } catch (e) {
                console.log('e.message:', e.message);
            }
        }
    </script>
</body>